Senior Network Engineer

Job Title: Senior Network Engineer Experience: 13+ Years Employment Type: W2 Contract Location: Hybrid/Onsite (Client Location) Visa: H1B, USC Job Summary We are looking for a highly skilled Senior Network Engineer with 12–13+ years of experience in designing, implementing, securing, and supporting enterprise network infrastructure. The ideal candidate will possess strong expertise in routing, switching, firewalls, wireless networking, SD-WAN, and network security. Responsibilities Design, implement, and maintain enterprise LAN, WAN, WLAN, and data center networks. Configure and troubleshoot Cisco, Juniper, Palo Alto, Fortinet, or Aruba network devices. Implement routing protocols including BGP, OSPF, EIGRP, and MPLS. Manage SD-WAN, VPN, and site-to-site connectivity. Configure enterprise firewalls, IDS/IPS, and network security policies. Maintain load balancers such as F5 BIG-IP or Citrix ADC. Perform network performance tuning, capacity planning, and optimization. Monitor network infrastructure using SolarWinds, PRTG, Nagios, or Cisco DNA Center. Troubleshoot complex network issues and provide root cause analysis. Implement high availability and disaster recovery solutions. Work closely with cloud, security, and infrastructure teams. Maintain documentation, network diagrams, and standard operating procedures. Required Skills 13+ years of enterprise networking experience. Strong knowledge of TCP/IP, DNS, DHCP, VLANs, NAT, QoS, and VPN. Experience with Cisco Catalyst, Nexus, ISR, ASR, Juniper, Aruba, or Fortinet devices. Expertise in BGP, OSPF, EIGRP, MPLS, STP, and HSRP/VRRP. Experience with Palo Alto, Cisco ASA, Check Point, or Fortinet firewalls. SD-WAN implementation and administration. Experience with Cisco ISE and Network Access Control (NAC). Knowledge of cloud networking (AWS, Azure, Google Cloud Platform). Familiarity with automation using Python, Ansible, or PowerShell. Experience with Wireshark and packet analysis. Strong analytical and troubleshooting skills. Preferred Qualifications Cisco CCNP Enterprise or CCIE Palo Alto PCNSE Fortinet NSE AWS Advanced Networking Specialty Microsoft Azure Network Engineer Associate